Precancerous stem cells can form tumor blood vessels

Tumors require a blood supply to grow, but how they acquire their network of blood vessels is poorly understood. A new study here shows that tumor blood vessels can develop from precancerous stem cells, a recently discovered type of cell that can either remain benign or become malignant.

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<p><a href="http://www.physorg.com/news122710244.html">Precancerous stem cells can form tumor blood vessels</a></p> <p>Tumors require a blood supply to grow, but how they acquire their network of blood vessels is poorly understood. A new study here shows that tumor blood vessels can develop from precancerous stem cells, a recently discovered type of cell that can either remain benign or become malignant.</p>